Researchers at Grand Valley State University discovered spider webs effectively collect DNA from pests like hemlock woolly ...

Drugs and explosive chemicals are difficult to detect, but a device more sensitive than a dog’s nose can pick up their traces ...

Don't do this at home with cotton swabs or other objects. Medication. Your doctor will probably prescribe antifungal ear drops. They may contain clotrimazole, fluconazole, or miconazole.

Need a break? Play the USA TODAY Daily Crossword Puzzle. To dye marshmallows, all you need is food coloring, water, and some optional skewers, plus a cotton swab.

A cotton swab is used to collect cells from the anal canal. The anoscopy itself takes 15 to 30 minutes. You do not need anesthesia or sedation; the doctor will use numbing gel to make the procedure ...

BV home test kits can range in price from less than $8 to almost $200. Tests $30 and under generally only test pH levels for irregularities but without verified laboratory results. Tests that send ...

Traces of banned Chinese cotton were found in 19% of a sample of merchandise selling at U.S. and global retailers in the past year, a study showed, highlighting the challenges of complying with ...

Anyone eligible for cervical screening can now collect their own sample, with support from their healthcare provider. This is done by inserting a swab which is like a long cotton bud into your vagina, ...

Various tests can tell if a person has, or has ever had, an infection with SARS-CoV-2, the virus that causes COVID-19. Learn how and when to access one here.